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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * @(#)MacEditorKit.java  1.0  December 1, 2004</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * Copyright (c) 2004 Werner Randelshofer</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * Staldenmattweg 2, Immensee, CH-6405, Switzerland.</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * All rights reserved.</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> * The copyright of this software is owned by Werner Randelshofer.</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> * You may not use, copy or modify this software, except in</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * accordance with the license agreement you entered into with</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * Werner Randelshofer. For details see accompanying license terms.</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * Part of this software (as marked) has been derived from software by</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * Dustin Sacks. These parts are used under license.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> com.seaglasslookandfeel.util;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> java.awt.Component;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> java.awt.Point;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.awt.Toolkit;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.awt.event.ActionEvent;
<a class="jxr_linenumber" name="22" href="#22">22</a>  
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a class="jxr_linenumber" name="24" href="#24">24</a>  
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> javax.swing.Action;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> javax.swing.text.BadLocationException;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> javax.swing.text.Caret;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> javax.swing.text.DefaultEditorKit;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> javax.swing.text.JTextComponent;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> javax.swing.text.TextAction;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> javax.swing.text.Utilities;
<a class="jxr_linenumber" name="32" href="#32">32</a>  
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * The MacEditorKit extends the Swing DefaultEditorKit with Mac OS X specific</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * text editing actions.</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * @author  Werner Randelshofer</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * @version 1.0 December 1, 2004 Created.</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../com/seaglasslookandfeel/util/MacEditorKit.html">MacEditorKit</a> <strong class="jxr_keyword">extends</strong> DefaultEditorKit {
<a class="jxr_linenumber" name="41" href="#41">41</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = 7463251678121983829L;
<a class="jxr_linenumber" name="42" href="#42">42</a>  
<a class="jxr_linenumber" name="43" href="#43">43</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment">     * Name of the action to delete the word that precedes the current caret</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment">     * position.</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment">     * @see #getActions</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String deletePrevWordAction = <span class="jxr_string">"delete-previous-word"</span>;
<a class="jxr_linenumber" name="50" href="#50">50</a>  
<a class="jxr_linenumber" name="51" href="#51">51</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="52" href="#52">52</a>  <em class="jxr_javadoccomment">     * Name of the action to delete the word that follows the current caret</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment">     * position.</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment">     * @see #getActions</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String deleteNextWordAction = <span class="jxr_string">"delete-next-word"</span>;
<a class="jxr_linenumber" name="58" href="#58">58</a>  
<a class="jxr_linenumber" name="59" href="#59">59</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Default actions of the MacEditorKit. */</em>
<a class="jxr_linenumber" name="60" href="#60">60</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Action[] actions;
<a class="jxr_linenumber" name="61" href="#61">61</a>  
<a class="jxr_linenumber" name="62" href="#62">62</a>      <strong class="jxr_keyword">static</strong> {
<a class="jxr_linenumber" name="63" href="#63">63</a>          Action[] dekActions   = <strong class="jxr_keyword">new</strong> DefaultEditorKit().getActions();
<a class="jxr_linenumber" name="64" href="#64">64</a>          HashMap  dekActionMap = <strong class="jxr_keyword">new</strong> HashMap();
<a class="jxr_linenumber" name="65" href="#65">65</a>  
<a class="jxr_linenumber" name="66" href="#66">66</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; dekActions.length; i++) {
<a class="jxr_linenumber" name="67" href="#67">67</a>              dekActionMap.put(dekActions[i].getValue(Action.NAME), dekActions[i]);
<a class="jxr_linenumber" name="68" href="#68">68</a>          }
<a class="jxr_linenumber" name="69" href="#69">69</a>  
<a class="jxr_linenumber" name="70" href="#70">70</a>          HashMap actionMap = (HashMap) dekActionMap.clone();
<a class="jxr_linenumber" name="71" href="#71">71</a>  
<a class="jxr_linenumber" name="72" href="#72">72</a>          actionMap.put(deleteNextWordAction, <strong class="jxr_keyword">new</strong> MacEditorKit.DeleteNextWordAction());
<a class="jxr_linenumber" name="73" href="#73">73</a>          actionMap.put(deletePrevWordAction, <strong class="jxr_keyword">new</strong> MacEditorKit.DeletePrevWordAction());
<a class="jxr_linenumber" name="74" href="#74">74</a>          actionMap.put(upAction,
<a class="jxr_linenumber" name="75" href="#75">75</a>                        <strong class="jxr_keyword">new</strong> MacEditorKit.VerticalAction(upAction, (TextAction) dekActionMap.get(upAction),
<a class="jxr_linenumber" name="76" href="#76">76</a>                                                        (TextAction) dekActionMap.get(beginAction)));
<a class="jxr_linenumber" name="77" href="#77">77</a>          actionMap.put(downAction,
<a class="jxr_linenumber" name="78" href="#78">78</a>                        <strong class="jxr_keyword">new</strong> MacEditorKit.VerticalAction(downAction, (TextAction) dekActionMap.get(downAction),
<a class="jxr_linenumber" name="79" href="#79">79</a>                                                        (TextAction) dekActionMap.get(endAction)));
<a class="jxr_linenumber" name="80" href="#80">80</a>          actionMap.put(selectionUpAction,
<a class="jxr_linenumber" name="81" href="#81">81</a>                        <strong class="jxr_keyword">new</strong> MacEditorKit.VerticalAction(selectionUpAction, (TextAction) dekActionMap.get(selectionUpAction),
<a class="jxr_linenumber" name="82" href="#82">82</a>                                                        (TextAction) dekActionMap.get(selectionBeginAction)));
<a class="jxr_linenumber" name="83" href="#83">83</a>          actionMap.put(selectionDownAction,
<a class="jxr_linenumber" name="84" href="#84">84</a>                        <strong class="jxr_keyword">new</strong> MacEditorKit.VerticalAction(selectionDownAction, (TextAction) dekActionMap.get(selectionDownAction),
<a class="jxr_linenumber" name="85" href="#85">85</a>                                                        (TextAction) dekActionMap.get(selectionEndAction)));
<a class="jxr_linenumber" name="86" href="#86">86</a>  
<a class="jxr_linenumber" name="87" href="#87">87</a>          actions = (Action[]) actionMap.values().toArray(<strong class="jxr_keyword">new</strong> Action[0]);
<a class="jxr_linenumber" name="88" href="#88">88</a>  
<a class="jxr_linenumber" name="89" href="#89">89</a>          <em class="jxr_comment">// TO DO: Use this instead of the code above:</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>          <em class="jxr_comment">// actions = TextAction.augmentList(....)</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>      }
<a class="jxr_linenumber" name="92" href="#92">92</a>  
<a class="jxr_linenumber" name="93" href="#93">93</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>  <em class="jxr_javadoccomment">     * Default constructor.</em>
<a class="jxr_linenumber" name="95" href="#95">95</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>      <strong class="jxr_keyword">public</strong> <a href="../../../com/seaglasslookandfeel/util/MacEditorKit.html">MacEditorKit</a>() {
<a class="jxr_linenumber" name="97" href="#97">97</a>      }
<a class="jxr_linenumber" name="98" href="#98">98</a>  
<a class="jxr_linenumber" name="99" href="#99">99</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment">     * Fetches the set of commands that can be used on a text component that is</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment">     * using a model and view produced by this kit.</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment">     * @return the command list</em>
<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="105" href="#105">105</a>     <strong class="jxr_keyword">public</strong> Action[] getActions() {
<a class="jxr_linenumber" name="106" href="#106">106</a>         <strong class="jxr_keyword">return</strong> actions;
<a class="jxr_linenumber" name="107" href="#107">107</a>     }
<a class="jxr_linenumber" name="108" href="#108">108</a> 
<a class="jxr_linenumber" name="109" href="#109">109</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">     * Invoked when the user attempts an invalid operation, such as pasting into</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment">     * an uneditable &lt;code&gt;JTextField&lt;/code&gt; that has focus. The default</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">     * implementation beeps. Subclasses that wish different behavior should</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment">     * override this and provide the additional feedback.</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment">     * @param component Component the error occured in, may be null indicating</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment">     *                  the error condition is not directly associated with a</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment">     *                  &lt;code&gt;Component&lt;/code&gt;.</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="119" href="#119">119</a>     <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> provideErrorFeedback(Component component) {
<a class="jxr_linenumber" name="120" href="#120">120</a>         Toolkit toolkit = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="121" href="#121">121</a> 
<a class="jxr_linenumber" name="122" href="#122">122</a>         <strong class="jxr_keyword">if</strong> (component != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="123" href="#123">123</a>             toolkit = component.getToolkit();
<a class="jxr_linenumber" name="124" href="#124">124</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="125" href="#125">125</a>             toolkit = Toolkit.getDefaultToolkit();
<a class="jxr_linenumber" name="126" href="#126">126</a>         }
<a class="jxr_linenumber" name="127" href="#127">127</a> 
<a class="jxr_linenumber" name="128" href="#128">128</a>         toolkit.beep();
<a class="jxr_linenumber" name="129" href="#129">129</a>     } <em class="jxr_comment">// provideErrorFeedback()</em>
<a class="jxr_linenumber" name="130" href="#130">130</a> 
<a class="jxr_linenumber" name="131" href="#131">131</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment">     * Deletes the word that follows the current caret position. Original code</em>
<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment">     * of this class by Dustin Sacks.</em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment">     * @see MacEditorKit#deleteNextWordAction</em>
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment">     * @see MacEditorKit#getActions</em>
<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="138" href="#138">138</a>     <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../com/seaglasslookandfeel/util/MacEditorKit.html">DeleteNextWordAction</a> <strong class="jxr_keyword">extends</strong> TextAction {
<a class="jxr_linenumber" name="139" href="#139">139</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = 5038003137392979803L;
<a class="jxr_linenumber" name="140" href="#140">140</a> 
<a class="jxr_linenumber" name="141" href="#141">141</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment">         * Creates this object with the appropriate identifier.</em>
<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="144" href="#144">144</a>         <a href="../../../com/seaglasslookandfeel/util/MacEditorKit.html">DeleteNextWordAction</a>() {
<a class="jxr_linenumber" name="145" href="#145">145</a>             <strong class="jxr_keyword">super</strong>(deleteNextWordAction);
<a class="jxr_linenumber" name="146" href="#146">146</a>         }
<a class="jxr_linenumber" name="147" href="#147">147</a> 
<a class="jxr_linenumber" name="148" href="#148">148</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment">         * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)</em>
<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="151" href="#151">151</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> actionPerformed(ActionEvent e) {
<a class="jxr_linenumber" name="152" href="#152">152</a>             JTextComponent target = getTextComponent(e);
<a class="jxr_linenumber" name="153" href="#153">153</a>             <strong class="jxr_keyword">boolean</strong>        beep   = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="154" href="#154">154</a> 
<a class="jxr_linenumber" name="155" href="#155">155</a>             <strong class="jxr_keyword">if</strong> ((target != <strong class="jxr_keyword">null</strong>) &amp;&amp; (target.isEditable())) {
<a class="jxr_linenumber" name="156" href="#156">156</a> 
<a class="jxr_linenumber" name="157" href="#157">157</a>                 <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="158" href="#158">158</a> 
<a class="jxr_linenumber" name="159" href="#159">159</a>                     <em class="jxr_comment">// select the next word</em>
<a class="jxr_linenumber" name="160" href="#160">160</a>                     <strong class="jxr_keyword">int</strong>    offs    = target.getCaretPosition();
<a class="jxr_linenumber" name="161" href="#161">161</a>                     <strong class="jxr_keyword">int</strong>    endOffs;
<a class="jxr_linenumber" name="162" href="#162">162</a>                     String s       = target.getDocument().getText(offs, 1);
<a class="jxr_linenumber" name="163" href="#163">163</a> 
<a class="jxr_linenumber" name="164" href="#164">164</a>                     <strong class="jxr_keyword">if</strong> (Character.isWhitespace(s.charAt(0))) {
<a class="jxr_linenumber" name="165" href="#165">165</a>                         endOffs = Utilities.getNextWord(target, offs);
<a class="jxr_linenumber" name="166" href="#166">166</a>                         endOffs = Utilities.getWordEnd(target, endOffs);
<a class="jxr_linenumber" name="167" href="#167">167</a>                     } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="168" href="#168">168</a>                         endOffs = Utilities.getWordEnd(target, offs);
<a class="jxr_linenumber" name="169" href="#169">169</a>                     }
<a class="jxr_linenumber" name="170" href="#170">170</a> 
<a class="jxr_linenumber" name="171" href="#171">171</a>                     target.moveCaretPosition(endOffs);
<a class="jxr_linenumber" name="172" href="#172">172</a> 
<a class="jxr_linenumber" name="173" href="#173">173</a>                     <em class="jxr_comment">// and then delete it</em>
<a class="jxr_linenumber" name="174" href="#174">174</a>                     target.replaceSelection(<span class="jxr_string">""</span>);
<a class="jxr_linenumber" name="175" href="#175">175</a>                     beep = false;
<a class="jxr_linenumber" name="176" href="#176">176</a>                 } <strong class="jxr_keyword">catch</strong> (BadLocationException exc) {
<a class="jxr_linenumber" name="177" href="#177">177</a>                     <em class="jxr_comment">// nothing to do, because we set beep to true already</em>
<a class="jxr_linenumber" name="178" href="#178">178</a>                 }
<a class="jxr_linenumber" name="179" href="#179">179</a>             }
<a class="jxr_linenumber" name="180" href="#180">180</a> 
<a class="jxr_linenumber" name="181" href="#181">181</a>             <strong class="jxr_keyword">if</strong> (beep) {
<a class="jxr_linenumber" name="182" href="#182">182</a>                 provideErrorFeedback(target);
<a class="jxr_linenumber" name="183" href="#183">183</a>             }
<a class="jxr_linenumber" name="184" href="#184">184</a>         }
<a class="jxr_linenumber" name="185" href="#185">185</a>     }
<a class="jxr_linenumber" name="186" href="#186">186</a> 
<a class="jxr_linenumber" name="187" href="#187">187</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_javadoccomment">     * Deletes the word that precedes the current caret position. Original code</em>
<a class="jxr_linenumber" name="189" href="#189">189</a> <em class="jxr_javadoccomment">     * of this class by Dustin Sacks.</em>
<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment">     * @see MacEditorKit#deletePrevWordAction</em>
<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_javadoccomment">     * @see MacEditorKit#getActions</em>
<a class="jxr_linenumber" name="193" href="#193">193</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="194" href="#194">194</a>     <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../com/seaglasslookandfeel/util/MacEditorKit.html">DeletePrevWordAction</a> <strong class="jxr_keyword">extends</strong> TextAction {
<a class="jxr_linenumber" name="195" href="#195">195</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = -6352466583853318023L;
<a class="jxr_linenumber" name="196" href="#196">196</a> 
<a class="jxr_linenumber" name="197" href="#197">197</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment">         * Creates this object with the appropriate identifier.</em>
<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="200" href="#200">200</a>         <a href="../../../com/seaglasslookandfeel/util/MacEditorKit.html">DeletePrevWordAction</a>() {
<a class="jxr_linenumber" name="201" href="#201">201</a>             <strong class="jxr_keyword">super</strong>(deletePrevWordAction);
<a class="jxr_linenumber" name="202" href="#202">202</a>         }
<a class="jxr_linenumber" name="203" href="#203">203</a> 
<a class="jxr_linenumber" name="204" href="#204">204</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment">         * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)</em>
<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="207" href="#207">207</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> actionPerformed(ActionEvent e) {
<a class="jxr_linenumber" name="208" href="#208">208</a>             JTextComponent target = getTextComponent(e);
<a class="jxr_linenumber" name="209" href="#209">209</a>             <strong class="jxr_keyword">boolean</strong>        beep   = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="210" href="#210">210</a> 
<a class="jxr_linenumber" name="211" href="#211">211</a>             <strong class="jxr_keyword">if</strong> ((target != <strong class="jxr_keyword">null</strong>) &amp;&amp; (target.isEditable())) {
<a class="jxr_linenumber" name="212" href="#212">212</a>                 <strong class="jxr_keyword">int</strong>     offs   = target.getCaretPosition();
<a class="jxr_linenumber" name="213" href="#213">213</a>                 <strong class="jxr_keyword">boolean</strong> failed = false;
<a class="jxr_linenumber" name="214" href="#214">214</a> 
<a class="jxr_linenumber" name="215" href="#215">215</a>                 <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="216" href="#216">216</a>                     offs = Utilities.getPreviousWord(target, offs);
<a class="jxr_linenumber" name="217" href="#217">217</a>                 } <strong class="jxr_keyword">catch</strong> (BadLocationException bl) {
<a class="jxr_linenumber" name="218" href="#218">218</a> 
<a class="jxr_linenumber" name="219" href="#219">219</a>                     <strong class="jxr_keyword">if</strong> (offs != 0) {
<a class="jxr_linenumber" name="220" href="#220">220</a>                         offs = 0;
<a class="jxr_linenumber" name="221" href="#221">221</a>                     } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="222" href="#222">222</a>                         failed = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="223" href="#223">223</a>                     }
<a class="jxr_linenumber" name="224" href="#224">224</a>                 }
<a class="jxr_linenumber" name="225" href="#225">225</a> 
<a class="jxr_linenumber" name="226" href="#226">226</a>                 <strong class="jxr_keyword">if</strong> (!failed) {
<a class="jxr_linenumber" name="227" href="#227">227</a>                     target.moveCaretPosition(offs);
<a class="jxr_linenumber" name="228" href="#228">228</a> 
<a class="jxr_linenumber" name="229" href="#229">229</a>                     <em class="jxr_comment">// and then delete it</em>
<a class="jxr_linenumber" name="230" href="#230">230</a>                     target.replaceSelection(<span class="jxr_string">""</span>);
<a class="jxr_linenumber" name="231" href="#231">231</a>                     beep = false;
<a class="jxr_linenumber" name="232" href="#232">232</a>                 }
<a class="jxr_linenumber" name="233" href="#233">233</a>             }
<a class="jxr_linenumber" name="234" href="#234">234</a> 
<a class="jxr_linenumber" name="235" href="#235">235</a>             <strong class="jxr_keyword">if</strong> (beep) {
<a class="jxr_linenumber" name="236" href="#236">236</a>                 provideErrorFeedback(target);
<a class="jxr_linenumber" name="237" href="#237">237</a>             }
<a class="jxr_linenumber" name="238" href="#238">238</a>         }
<a class="jxr_linenumber" name="239" href="#239">239</a>     }
<a class="jxr_linenumber" name="240" href="#240">240</a> 
<a class="jxr_linenumber" name="241" href="#241">241</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">     * Action to move the selection up or down. This is very similar to the</em>
<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">     * NextVisualPositionAction of class DefaultEditorKit. The differences is,</em>
<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment">     * that we move the cursor to the beginning of the text, if the user wants</em>
<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment">     * to move upwards and is already at the first line of the text. We move the</em>
<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment">     * cursor to the end of the text, if the user wants to move downwards and is</em>
<a class="jxr_linenumber" name="247" href="#247">247</a> <em class="jxr_javadoccomment">     * already at the last line of the text. Note that we delegate actions to</em>
<a class="jxr_linenumber" name="248" href="#248">248</a> <em class="jxr_javadoccomment">     * DefaultEditorKit actions. We can not implement all the required code by</em>
<a class="jxr_linenumber" name="249" href="#249">249</a> <em class="jxr_javadoccomment">     * ourself, because method DefaultCaret.getDotBias() is not accessible from</em>
<a class="jxr_linenumber" name="250" href="#250">250</a> <em class="jxr_javadoccomment">     * outside the javax.swing.text package.</em>
<a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="252" href="#252">252</a>     <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../com/seaglasslookandfeel/util/MacEditorKit.html">VerticalAction</a> <strong class="jxr_keyword">extends</strong> TextAction {
<a class="jxr_linenumber" name="253" href="#253">253</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = -6471615785308538422L;
<a class="jxr_linenumber" name="254" href="#254">254</a>         <strong class="jxr_keyword">private</strong> TextAction        verticalAction;
<a class="jxr_linenumber" name="255" href="#255">255</a>         <strong class="jxr_keyword">private</strong> TextAction        beginEndAction;
<a class="jxr_linenumber" name="256" href="#256">256</a> 
<a class="jxr_linenumber" name="257" href="#257">257</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment">         * Create this action with the appropriate identifier.</em>
<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment">         *</em>
<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_javadoccomment">         * @param name           DOCUMENT ME!</em>
<a class="jxr_linenumber" name="261" href="#261">261</a> <em class="jxr_javadoccomment">         * @param verticalAction DOCUMENT ME!</em>
<a class="jxr_linenumber" name="262" href="#262">262</a> <em class="jxr_javadoccomment">         * @param beginEndAction DOCUMENT ME!</em>
<a class="jxr_linenumber" name="263" href="#263">263</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="264" href="#264">264</a>         <a href="../../../com/seaglasslookandfeel/util/MacEditorKit.html">VerticalAction</a>(String name, TextAction verticalAction, TextAction beginEndAction) {
<a class="jxr_linenumber" name="265" href="#265">265</a>             <strong class="jxr_keyword">super</strong>(name);
<a class="jxr_linenumber" name="266" href="#266">266</a>             <strong class="jxr_keyword">this</strong>.verticalAction = verticalAction;
<a class="jxr_linenumber" name="267" href="#267">267</a>             <strong class="jxr_keyword">this</strong>.beginEndAction = beginEndAction;
<a class="jxr_linenumber" name="268" href="#268">268</a>         }
<a class="jxr_linenumber" name="269" href="#269">269</a> 
<a class="jxr_linenumber" name="270" href="#270">270</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="271" href="#271">271</a> <em class="jxr_javadoccomment">         * The operation to perform when this action is triggered.</em>
<a class="jxr_linenumber" name="272" href="#272">272</a> <em class="jxr_javadoccomment">         *</em>
<a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_javadoccomment">         * @param e DOCUMENT ME!</em>
<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="275" href="#275">275</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> actionPerformed(ActionEvent e) {
<a class="jxr_linenumber" name="276" href="#276">276</a>             JTextComponent target = getTextComponent(e);
<a class="jxr_linenumber" name="277" href="#277">277</a> 
<a class="jxr_linenumber" name="278" href="#278">278</a>             <strong class="jxr_keyword">if</strong> (target != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="279" href="#279">279</a> 
<a class="jxr_linenumber" name="280" href="#280">280</a>                 <em class="jxr_comment">// target.getUI().getNextVisualPositionFrom(t</em>
<a class="jxr_linenumber" name="281" href="#281">281</a>                 Caret caret = target.getCaret();
<a class="jxr_linenumber" name="282" href="#282">282</a>                 <strong class="jxr_keyword">int</strong>   dot   = caret.getDot();
<a class="jxr_linenumber" name="283" href="#283">283</a> 
<a class="jxr_linenumber" name="284" href="#284">284</a>                 verticalAction.actionPerformed(e);
<a class="jxr_linenumber" name="285" href="#285">285</a> 
<a class="jxr_linenumber" name="286" href="#286">286</a>                 <strong class="jxr_keyword">if</strong> (dot == caret.getDot()) {
<a class="jxr_linenumber" name="287" href="#287">287</a>                     Point magic = caret.getMagicCaretPosition();
<a class="jxr_linenumber" name="288" href="#288">288</a> 
<a class="jxr_linenumber" name="289" href="#289">289</a>                     beginEndAction.actionPerformed(e);
<a class="jxr_linenumber" name="290" href="#290">290</a>                     caret.setMagicCaretPosition(magic);
<a class="jxr_linenumber" name="291" href="#291">291</a>                 }
<a class="jxr_linenumber" name="292" href="#292">292</a>             }
<a class="jxr_linenumber" name="293" href="#293">293</a>         }
<a class="jxr_linenumber" name="294" href="#294">294</a>     }
<a class="jxr_linenumber" name="295" href="#295">295</a> }
</pre>
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